"We are very thankful to all our supporters, including the Australian Turf Club, who has allowed us to hold this important fund-raising event at the beautiful Rosehill Racecourse," Thomas said.

"With their help, we are hoping to make this a main fixture on the Sydney racing calendar.

"We are hoping to raise as much money as possible for the families that come through our doors seeking support."

There will be many auction items and prizes that have been kindly donated for the Race Day including money-can't-buy experiences from television's X-Factor, Home and Away and My Kitchen Rules, with Parramatta Eels and a 2014 World Cup Socceroos signed jersey.

All funds raised will go to Ronald McDonald House Westmead which provides a "home away" for the families who have an ill child being treated at Westmead Hospital.

It costs more than $150 per night to house a family at the House, which provides a place of comfort and hope for children and their families, for them to stay together as a unit when they need it most.

The race day has proven popular, with only two tables left for the event.

Gates open at 11am and the first race is run at 12.20pm.

- To get a table, make a donation or find out more about Ronald McDonald House Westmead, visit www.rmhc.org.au/westmead.